#!/usr/bin/env bash
# this bash script runs the scripts for the 'mature' generators by default.
# Supports --batch option which will compile all generators defined under bin/ci/*.json
# it ensures that all changes are committed into the 'samples/' folder
# shellcheck disable=SC2155
declare cwd="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
declare root="$(cd "$cwd" && cd ../../ && pwd)"
declare executable="${root}/modules/openapi-generator-cli/target/openapi-generator-cli.jar"

echo "# START SCRIPT: $0"
echo "IMPORTANT: this script should be run by the CI (e.g. Shippable) to ensure that the 'samples/' folder is up to date."
echo ""

"${root}/bin/generate-samples.sh"

status=$?
if [ $status -ne 0 ]; then
  echo "ERROR: One or more generators failed to generate. Halting ensure-up-to-date scripts." >&2
  exit $status
fi

if [[ "--skip-docs" == "${1}" ]]; then
  # We export here rather than modify our iterable so that:
  #  - the scripts can show they ran and echo meaningfully
  #  - the scripts can do cleanup (if necessary) when skipped
  export SKIP_EXPORT_DOCS=true
fi

# Some special case generators may expect to be run as a standalone process (e.g. modifying classpath)
# Docs should always be run, regardless of batch or operation.
declare -a always_iterate=(
"${root}/bin/meta-codegen.sh"
"${root}/bin/utils/export_docs_generators.sh"
"${root}/bin/utils/copy-to-website.sh"
"${root}/bin/utils/export_generators_readme.sh"
)

for i in "${always_iterate[@]}"; do
    echo "Starting $i ..."
    if eval "$i"; then
      echo "Executed $i successfully!"
    else
      echo "ERROR: Failed to run $i"
      exit 1
    fi
done

# Check:
if [ -n "$(git status --porcelain)" ]; then
    echo "UNCOMMITTED CHANGES ERROR"
    echo "There are uncommitted changes in working tree after execution of 'bin/ensure-up-to-date'"
    echo "Perform git diff"
    git --no-pager diff
    echo "Perform git status"
    git status
    echo -e "\nThis script runs in pull requests against the anticipated merge commit (as if the PR was merged now)."
    echo "When you see unexpected files here, it likely means that there are newer commits in master that you need to "
    echo -e "rebase or merge into your branch.\n"
    echo "Please run 'bin/utils/ensure-up-to-date' locally and commit changes (UNCOMMITTED CHANGES ERROR)"
    exit 1
else
    echo "Git working tree is clean"
fi